Write your own routine to solve a system of n linear equations and n unknowns using...

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Advance Math

Write your own routine to solve a system of n linear equationsand n unknowns using the LU decomposition. Input should take anaugmented matrix and the number of equations n. Output should bethe augmented matrix. L and U matrices and the solution. Alsocompare your results to those of Matlab’s built in LUdecomposition. Use your code to solve the systems given as (a) and(b) below: a) 3a − 2b + c = −3, a − 4b + 2c + 2d = 6, a + 3b = 5,−3a + 7b + 9c + d = 5

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